Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 03:48
Behavioral task
behavioral1
Sample
ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar
Resource
win10v2004-20241007-en
General
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Target
ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar
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Size
265KB
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MD5
d480c8eef4a045e9595f8d6364891e4c
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SHA1
82be46d99b9514607f1f150d4df0fd15996e5f9f
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SHA256
ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379
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SHA512
43d2d4c7621b9c262435a0723d207f0d500d29b6ac01e538a91e9d424964fec26593fb37760714e9e8fc3d483e722920f61d81c243b7230cb755bb1584b72891
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SSDEEP
6144:0QSTmxKpIc5rvE7kJVRYeJTsdFAgesC+yZdgJ4:/UF57wyqeJTs0hzc4
Malware Config
Extracted
strrat
chongmei33.publicvm.com:44662
jinvestments.duckdns.org:44662
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license_id
khonsari
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
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Strrat family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4932 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 ip-api.com -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2060 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3580 WMIC.exe Token: SeSecurityPrivilege 3580 WMIC.exe Token: SeTakeOwnershipPrivilege 3580 WMIC.exe Token: SeLoadDriverPrivilege 3580 WMIC.exe Token: SeSystemProfilePrivilege 3580 WMIC.exe Token: SeSystemtimePrivilege 3580 WMIC.exe Token: SeProfSingleProcessPrivilege 3580 WMIC.exe Token: SeIncBasePriorityPrivilege 3580 WMIC.exe Token: SeCreatePagefilePrivilege 3580 WMIC.exe Token: SeBackupPrivilege 3580 WMIC.exe Token: SeRestorePrivilege 3580 WMIC.exe Token: SeShutdownPrivilege 3580 WMIC.exe Token: SeDebugPrivilege 3580 WMIC.exe Token: SeSystemEnvironmentPrivilege 3580 WMIC.exe Token: SeRemoteShutdownPrivilege 3580 WMIC.exe Token: SeUndockPrivilege 3580 WMIC.exe Token: SeManageVolumePrivilege 3580 WMIC.exe Token: 33 3580 WMIC.exe Token: 34 3580 WMIC.exe Token: 35 3580 WMIC.exe Token: 36 3580 WMIC.exe Token: SeIncreaseQuotaPrivilege 3580 WMIC.exe Token: SeSecurityPrivilege 3580 WMIC.exe Token: SeTakeOwnershipPrivilege 3580 WMIC.exe Token: SeLoadDriverPrivilege 3580 WMIC.exe Token: SeSystemProfilePrivilege 3580 WMIC.exe Token: SeSystemtimePrivilege 3580 WMIC.exe Token: SeProfSingleProcessPrivilege 3580 WMIC.exe Token: SeIncBasePriorityPrivilege 3580 WMIC.exe Token: SeCreatePagefilePrivilege 3580 WMIC.exe Token: SeBackupPrivilege 3580 WMIC.exe Token: SeRestorePrivilege 3580 WMIC.exe Token: SeShutdownPrivilege 3580 WMIC.exe Token: SeDebugPrivilege 3580 WMIC.exe Token: SeSystemEnvironmentPrivilege 3580 WMIC.exe Token: SeRemoteShutdownPrivilege 3580 WMIC.exe Token: SeUndockPrivilege 3580 WMIC.exe Token: SeManageVolumePrivilege 3580 WMIC.exe Token: 33 3580 WMIC.exe Token: 34 3580 WMIC.exe Token: 35 3580 WMIC.exe Token: 36 3580 WMIC.exe Token: SeIncreaseQuotaPrivilege 956 WMIC.exe Token: SeSecurityPrivilege 956 WMIC.exe Token: SeTakeOwnershipPrivilege 956 WMIC.exe Token: SeLoadDriverPrivilege 956 WMIC.exe Token: SeSystemProfilePrivilege 956 WMIC.exe Token: SeSystemtimePrivilege 956 WMIC.exe Token: SeProfSingleProcessPrivilege 956 WMIC.exe Token: SeIncBasePriorityPrivilege 956 WMIC.exe Token: SeCreatePagefilePrivilege 956 WMIC.exe Token: SeBackupPrivilege 956 WMIC.exe Token: SeRestorePrivilege 956 WMIC.exe Token: SeShutdownPrivilege 956 WMIC.exe Token: SeDebugPrivilege 956 WMIC.exe Token: SeSystemEnvironmentPrivilege 956 WMIC.exe Token: SeRemoteShutdownPrivilege 956 WMIC.exe Token: SeUndockPrivilege 956 WMIC.exe Token: SeManageVolumePrivilege 956 WMIC.exe Token: 33 956 WMIC.exe Token: 34 956 WMIC.exe Token: 35 956 WMIC.exe Token: 36 956 WMIC.exe Token: SeIncreaseQuotaPrivilege 956 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4004 wrote to memory of 3192 4004 java.exe 83 PID 4004 wrote to memory of 3192 4004 java.exe 83 PID 3192 wrote to memory of 4056 3192 java.exe 85 PID 3192 wrote to memory of 4056 3192 java.exe 85 PID 3192 wrote to memory of 4932 3192 java.exe 86 PID 3192 wrote to memory of 4932 3192 java.exe 86 PID 4056 wrote to memory of 2060 4056 cmd.exe 89 PID 4056 wrote to memory of 2060 4056 cmd.exe 89 PID 4932 wrote to memory of 2284 4932 java.exe 90 PID 4932 wrote to memory of 2284 4932 java.exe 90 PID 2284 wrote to memory of 3580 2284 cmd.exe 92 PID 2284 wrote to memory of 3580 2284 cmd.exe 92 PID 4932 wrote to memory of 3428 4932 java.exe 94 PID 4932 wrote to memory of 3428 4932 java.exe 94 PID 3428 wrote to memory of 956 3428 cmd.exe 97 PID 3428 wrote to memory of 956 3428 cmd.exe 97 PID 4932 wrote to memory of 4280 4932 java.exe 99 PID 4932 wrote to memory of 4280 4932 java.exe 99 PID 4280 wrote to memory of 2800 4280 cmd.exe 101 PID 4280 wrote to memory of 2800 4280 cmd.exe 101 PID 4932 wrote to memory of 4568 4932 java.exe 102 PID 4932 wrote to memory of 4568 4932 java.exe 102 PID 4568 wrote to memory of 3016 4568 cmd.exe 104 PID 4568 wrote to memory of 3016 4568 cmd.exe 104 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:2060
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3580
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:956
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2800
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3016
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3442511616-637977696-3186306149-1000\83aa4cc77f591dfc2374580bbd95f6ba_5ab270f5-f3a9-47d1-97d7-bbd50acf9955
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
265KB
MD5d480c8eef4a045e9595f8d6364891e4c
SHA182be46d99b9514607f1f150d4df0fd15996e5f9f
SHA256ba35fe8207a2fcc8b983e296971b9ed855e97403864deb2e598378c24a850379
SHA51243d2d4c7621b9c262435a0723d207f0d500d29b6ac01e538a91e9d424964fec26593fb37760714e9e8fc3d483e722920f61d81c243b7230cb755bb1584b72891
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d